Elvis sits next to 3 phonetic neighbors — Elvie, Elvia, and Alvis are the closest matches by sound. Most share Elvis's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"all-wise, all-knowing"
"sunray, shining light"
"farmer, earth worker"
"hunter (possible Greek derivation from Theron)"
"crown"
"noble friend"
"son of Neil"
"victorious one"
"farewell, goodbye"
"famous warrior"
"twin"
"descendant of the dark stranger"
Similar sound: These names share phonetic patterns with Elvis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Elvis.
Rhythm: Elvis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.